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Finding the Fourth Proportional to 416,911.56, 625,377.71 and 117,390.11

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Solution

The fourth proportional to 416,911.56, 625,377.71 and 117,390.11 is: 176,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,911.56 : 625,377.71 = 117,390.11 : x
  2. Step 2: Convert to fraction form
    416,911.56/625,377.71 = 117,390.11/x
  3. Step 3: Cross multiply
    416,911.56x = 625,377.71 × 117,390.11
  4. Step 4: Simplify right side
    416,911.56x = 73,413,158,168.45
  5. Step 5: Solve for x
    x = 73,413,158,168.45/416,911.56
  6. Step 6: Final answer
    x = 176,088.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.